MPC857DSL Motorola, MPC857DSL Datasheet - Page 22

• Manufacturer Part Number: MPC857DSL
• Description: (MPC857 / MPC862) Hardware Specifications
• Manufacturer: Motorola

Bus Signal Timing
Bus Signal Timing
22
B33a CLKOUT rising edge to GPL Valid - as
B34a A(0:31), BADDR(28:30), and D(0:31)
B34b A(0:31), BADDR(28:30), and D(0:31)
B35a A(0:31), BADDR(28:30), and D(0:31)
B35b A(0:31), BADDR(28:30), and D(0:31)
Num
B34 A(0:31), BADDR(28:30), and D(0:31)
B35 A(0:31), BADDR(28:30) to CS valid -
B36 A(0:31), BADDR(28:30), and D(0:31)
B37 UPWAIT valid to CLKOUT falling edge
B38 CLKOUT falling edge to UPWAIT valid
B39 AS valid to CLKOUT rising edge
B40 A(0:31), TSIZ(0:1), RD/WR, BURST,
B41 TS valid to CLKOUT rising edge (setup
requested by control bit GxT3 in the
corresponding word in the UPM
(MAX = 0.25 x B1 + 6.80)
to CS valid - as requested by control
bit CST4 in the corresponding word in
the UPM (MIN = 0.25 x B1 - 2.00)
to CS valid - as requested by control
bit CST1 in the corresponding word in
the UPM (MIN = 0.50 x B1 - 2.00)
to CS valid - as requested by CST2 in
the corresponding word in UPM
(MIN = 0.75 x B1 - 2.00)
as requested by control bit BST4 in the
corresponding word in the UPM
(MIN = 0.25 x B1 - 2.00)
to BS valid - As Requested by BST1 in
the corresponding word in the UPM
(MIN = 0.50 x B1 - 2.00)
to BS valid - as requested by control bit
BST2 in the corresponding word in the
UPM (MIN = 0.75 x B1 - 2.00)
to GPL valid as requested by control
bit GxT4 in the corresponding word in
the UPM (MIN = 0.25 x B1 - 2.00)
12
(MIN = 0.00 x B1 + 7.00)
valid to CLKOUT rising edge
(MIN = 0.00 x B1 + 7.00)
time) (MIN = 0.00 x B1 + 7.00)
12
(MIN = 0.00 x B1 + 1.00)
(MIN = 0.00 x B1 + 6.00)
Characteristic
MPC862/857T/857DSL Hardware Specifications
Freescale Semiconductor, Inc.
Table 7. Bus Operation Timings (continued)
For More Information On This Product,
13
Go to: www.freescale.com
13.20
20.70
13.20
20.70
7.60
5.60
5.60
5.60
6.00
1.00
7.00
7.00
7.00
Min
33 MHz
14.30
Max
—
—
—
—
—
—
—
—
—
—
—
—
10.50
16.70
10.50
16.70
6.30
4.30
4.30
4.30
6.00
1.00
7.00
7.00
7.00
Min
40 MHz
13.00
Max
—
—
—
—
—
—
—
—
—
—
—
—
13.00
13.00
5.00
3.00
8.00
3.00
8.00
3.00
6.00
1.00
7.00
7.00
7.00
Min
50 MHz
11.80
Max
—
—
—
—
—
—
—
—
—
—
—
—
3.80
1.80
5.60
9.40
1.80
5.60
9.40
1.80
6.00
1.00
7.00
7.00
7.00
Min
66 MHz
MOTOROLA
10.50
Max
—
—
—
—
—
—
—
—
—
—
—
—
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns